/* CIE Flowchart Lab — flowcharts.css (v5) */

/* ── THEME VARIABLES ─────────────────────────────────── */
:root {
  --bg-main:       #0d0d12;
  --bg-panel:      #131318;
  --bg-editor:     #0f0f15;
  --bg-sidebar:    #0a0a0f;
  --bg-hover:      #1a1a24;
  --bg-active:     #1e1e2e;
  --accent:        #a78bfa;
  --accent-dim:    rgba(167,139,250,0.15);
  --accent-glow:   rgba(167,139,250,0.25);
  --green:         #22c55e;
  --red:           #f87171;
  --yellow:        #fbbf24;
  --cyan:          #67e8f9;
  --text-primary:  #e2e8f0;
  --text-secondary:#94a3b8;
  --text-muted:    #475569;
  --border:        rgba(148,163,184,0.08);
  --border-bright: rgba(167,139,250,0.2);
  --scrollbar:     rgba(100,100,140,0.2);
  --font-mono:     'JetBrains Mono','Fira Code',monospace;
  --font-ui:       'Outfit',sans-serif;
  --radius:        6px;
  --transition:    0.15s cubic-bezier(0.4,0,0.2,1);
  --canvas-grid:   rgba(148,163,184,0.07);
}

body.light-mode {
  --bg-main:       #f8fafc;
  --bg-panel:      #f0f0f5;
  --bg-editor:     #ffffff;
  --bg-sidebar:    #e8e8f0;
  --bg-hover:      #ede9fb;
  --bg-active:     #d8d8ee;
  --accent:        #7c3aed;
  --accent-dim:    rgba(124,58,237,0.12);
  --accent-glow:   rgba(124,58,237,0.2);
  --green:         #15803d;
  --red:           #dc2626;
  --yellow:        #b45309;
  --cyan:          #0369a1;
  --text-primary:  #1e1b2e;
  --text-secondary:#4a4a6a;
  --text-muted:    #7a7a9a;
  --border:        rgba(0,0,0,0.08);
  --border-bright: rgba(124,58,237,0.25);
  --scrollbar:     rgba(0,0,0,0.12);
  --canvas-grid:   rgba(0,0,60,0.06);
}

/* ── RESET ───────────────────────────────────────────── */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
::-webkit-scrollbar { width:6px; height:6px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:var(--scrollbar); border-radius:3px; }

html,body {
  height:100%; background:var(--bg-main); color:var(--text-primary);
  font-family:var(--font-ui); overflow:hidden; font-size:14px; user-select:none;
}

/* ── TITLEBAR ────────────────────────────────────────── */
#titlebar {
  position:fixed; top:0; left:0; right:0; height:38px;
  background:var(--bg-sidebar); border-bottom:1px solid var(--border);
  display:flex; align-items:center; padding:0 12px; z-index:200; gap:16px;
}
.logo {
  display:flex; align-items:center; gap:8px;
  font-weight:700; font-size:13px; color:var(--accent);
  letter-spacing:0.5px; text-decoration:none; white-space:nowrap; flex-shrink:0;
}
.logo svg { width:20px; height:20px; flex-shrink:0; }
.title-center {
  flex:1; text-align:center; font-size:12px;
  color:var(--text-muted); font-family:var(--font-mono);
}
.title-actions { display:flex; gap:6px; align-items:center; }
.title-btn {
  background:transparent; border:1px solid var(--border);
  color:var(--text-secondary); font-family:var(--font-ui);
  font-size:11px; padding:3px 10px; border-radius:var(--radius);
  cursor:pointer; transition:var(--transition);
  display:flex; align-items:center; gap:5px;
  text-decoration:none; white-space:nowrap;
}
.title-btn:hover { background:var(--bg-hover); color:var(--text-primary); border-color:var(--border-bright); }
#btn-theme { font-size:14px; padding:4px 10px; }

/* ── LAYOUT ──────────────────────────────────────────── */
#app { display:flex; flex-direction:column; height:100vh; padding-top:38px; }
#workspace { display:flex; flex:1; overflow:hidden; position:relative; }

/* ── LEFT SIDEBAR ────────────────────────────────────── */
#left-sidebar {
  width:176px; flex-shrink:0; background:var(--bg-panel);
  border-right:1px solid var(--border); display:flex; flex-direction:column; overflow:hidden;
}
.sidebar-header {
  padding:10px 12px; font-size:10px; font-weight:600;
  text-transform:uppercase; letter-spacing:1.5px;
  color:var(--text-muted); border-bottom:1px solid var(--border); flex-shrink:0;
}
#component-library { flex:1; overflow-y:auto; padding:8px 6px; }
.comp-category {
  font-size:10px; font-weight:600; text-transform:uppercase;
  letter-spacing:1px; color:var(--accent); padding:8px 4px 4px;
}
.comp-category:first-child { padding-top:4px; }
.comp-item {
  display:flex; align-items:center; gap:8px; padding:5px 6px;
  border-radius:var(--radius); cursor:grab; transition:var(--transition);
  font-size:12px; color:var(--text-secondary);
  border:1px solid transparent; margin-bottom:2px; user-select:none;
}
.comp-item:hover { background:var(--bg-hover); color:var(--text-primary); border-color:var(--border-bright); }
.comp-item:active { cursor:grabbing; }
.comp-item svg { flex-shrink:0; }
.comp-item span { white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.comp-hints { font-size:9.5px; color:var(--text-muted); padding:12px 4px 4px; line-height:1.8; }

/* ── CANVAS WRAPPER ──────────────────────────────────── */
#canvas-wrapper {
  flex:1; overflow:scroll; background:var(--bg-main);
  cursor:default; position:relative;
}
#canvas-wrapper::-webkit-scrollbar { width:8px; height:8px; }
#canvas-wrapper::-webkit-scrollbar-thumb { background:var(--scrollbar); border-radius:4px; }
#canvas { display:block; }

/* ── NODE SHAPES ─────────────────────────────────────── */
.node-group { cursor:move; }

.node-shape {
  fill: var(--bg-editor);
  stroke: var(--text-secondary);
  stroke-width: 1.5;
  transition: stroke var(--transition), filter var(--transition), fill var(--transition);
}
.node-bar {
  stroke: var(--text-secondary);
  stroke-width: 1.5;
  fill: none;
}
.node-group:hover .node-shape { stroke: var(--accent); }
.node-group:hover .node-bar   { stroke: var(--accent); }
.node-group.selected .node-shape {
  stroke: var(--accent);
  filter: drop-shadow(0 0 7px var(--accent-glow));
}
.node-group.selected .node-bar { stroke: var(--accent); }
.node-group.active-exec .node-shape {
  stroke: var(--green);
  fill: rgba(34,197,94,0.07);
  filter: drop-shadow(0 0 10px rgba(34,197,94,0.35));
}

.node-text {
  fill: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 12px;
  dominant-baseline: central;
  text-anchor: middle;
  pointer-events: none;
  user-select: none;
}

/* ── PORT DOTS ───────────────────────────────────────── */
/* FIX: pointer-events:none so clicks fall through to the port-hit circle */
.port-dot {
  fill: var(--bg-panel);
  stroke: var(--accent);
  stroke-width: 1.5;
  cursor: crosshair;
  opacity: 0;
  transition: opacity 0.1s ease;
  pointer-events: none;
}
.port-hit {
  fill: transparent;
  stroke: none;
  cursor: crosshair;
  pointer-events: all;
}
.node-group:hover .port-dot,
.node-group.selected .port-dot { opacity: 1; }

/* ── CONNECTIONS ─────────────────────────────────────── */
.conn-group { cursor: pointer; }
.conn-hit {
  fill: none;
  stroke: transparent;
  stroke-width: 14;
}
.conn-path {
  fill: none;
  stroke: var(--text-secondary);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
  transition: stroke var(--transition);
}
.conn-group:hover .conn-path,
.conn-group.selected .conn-path { stroke: var(--accent); stroke-width: 2; }

.conn-label {
  fill: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  dominant-baseline: central;
  text-anchor: middle;
  pointer-events: none;
  user-select: none;
}
.conn-label-yes { fill: var(--green); }
.conn-label-no  { fill: var(--red); }

/* ── RIGHT RESIZER ───────────────────────────────────── */
#right-resizer {
  width: 4px; flex-shrink: 0; background: var(--border);
  cursor: col-resize; transition: background 0.15s; position:relative;
}
#right-resizer:hover { background: var(--border-bright); }

/* ── RIGHT PANEL ─────────────────────────────────────── */
#right-panel {
  width: 300px; min-width: 220px; max-width: 520px; flex-shrink: 0;
  background: var(--bg-panel); border-left: 1px solid var(--border);
  display: flex; flex-direction: column; overflow: hidden;
  transition: width 0.2s ease;
}
#right-panel.rp-collapsed {
  width: 0 !important;
  min-width: 0;
  border-left: none;
}
#rp-tabs {
  display: flex; border-bottom: 1px solid var(--border);
  background: var(--bg-sidebar); flex-shrink: 0;
}
.rp-tab {
  flex: 1; padding: 8px 2px; background: transparent; border: none;
  color: var(--text-muted); font-family: var(--font-ui); font-size: 11px;
  cursor: pointer; transition: var(--transition);
  display: flex; align-items: center; justify-content: center; gap: 4px;
  border-bottom: 2px solid transparent; white-space: nowrap;
}
.rp-tab:hover { color: var(--text-primary); }
.rp-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.rp-pane { display: none; flex: 1; flex-direction: column; overflow: hidden; min-height: 0; }
.rp-pane.active { display: flex; }

#pseudo-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 10px; border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.pane-label {
  font-size: 10px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 1px; color: var(--text-muted);
}
.mini-btn {
  background: transparent; border: 1px solid var(--border);
  color: var(--text-muted); font-family: var(--font-ui); font-size: 10px;
  padding: 2px 8px; border-radius: var(--radius); cursor: pointer;
  transition: var(--transition); display: flex; align-items: center; gap: 3px;
}
.mini-btn:hover { background: var(--bg-hover); color: var(--text-primary); border-color: var(--border-bright); }

#pseudocode-out {
  flex: 1; overflow: auto; padding: 12px;
  font-family: var(--font-mono); font-size: 12px; line-height: 1.75;
  color: var(--text-secondary); background: var(--bg-editor); white-space: pre;
}

#console-out {
  flex: 1; overflow-y: auto; padding: 10px;
  font-family: var(--font-mono); font-size: 12px; line-height: 1.6;
  background: var(--bg-editor);
}
.c-welcome { color: var(--text-muted); font-style: italic; font-size: 11px; }
.c-line { padding: 1px 0; }
.c-out  { color: var(--green); }
.c-in   { color: var(--cyan); }
.c-err  { color: var(--red); }
.c-info { color: var(--text-muted); }

#console-input-row {
  display: flex; align-items: center; gap: 6px;
  padding: 5px 10px; border-top: 1px solid var(--border);
  background: var(--bg-sidebar); flex-shrink: 0;
}
#c-prompt { font-family: var(--font-mono); font-size: 11px; color: var(--accent); white-space: nowrap; }
#c-input {
  flex: 1; background: transparent; border: none; outline: none;
  color: var(--text-primary); font-family: var(--font-mono); font-size: 12px;
}
#c-input:disabled { opacity: 0.35; }
#c-submit {
  background: var(--accent); border: none; color: #fff; border-radius: var(--radius);
  font-family: var(--font-mono); font-size: 12px; padding: 2px 9px; cursor: pointer;
}
#c-submit:disabled { opacity: 0.35; cursor: default; }

#trace-wrap { flex: 1; overflow: auto; padding: 8px; }
.trace-hint { color: var(--text-muted); font-size: 12px; text-align: center; padding: 24px 12px; line-height: 1.7; }
.trace-table { width: 100%; border-collapse: collapse; font-family: var(--font-mono); font-size: 11px; }
.trace-table th {
  background: var(--bg-active); color: var(--accent);
  padding: 5px 8px; border: 1px solid var(--border);
  font-size: 10px; font-weight: 700; text-transform: uppercase;
  position: sticky; top: 0; text-align: center;
}
.trace-table td { padding: 3px 8px; border: 1px solid var(--border); text-align: center; color: var(--text-secondary); }
.trace-table strong { color: var(--yellow); }

#rp-actions {
  display: flex; gap: 6px; padding: 8px;
  border-top: 1px solid var(--border); flex-shrink: 0; background: var(--bg-sidebar);
}
.action-btn {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 5px;
  background: transparent; border: 1px solid var(--border);
  color: var(--text-secondary); font-family: var(--font-ui);
  font-size: 11px; font-weight: 600; padding: 6px 4px;
  border-radius: var(--radius); cursor: pointer; transition: var(--transition);
}
.action-btn:hover { background: var(--bg-hover); color: var(--text-primary); border-color: var(--border-bright); }
.action-btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.action-btn.primary:hover { filter: brightness(1.12); }
.action-btn svg { width: 12px; height: 12px; }
.action-btn.waiting { animation: pulse-anim 0.8s infinite; }
@keyframes pulse-anim { 0%,100%{opacity:1}50%{opacity:0.4} }

/* ── PANEL OPEN BUTTON (shown when panel is collapsed) ── */
#btn-open-panel {
  display: none;
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 150;
  width: 20px;
  height: 52px;
  background: var(--bg-panel);
  border: 1px solid var(--border-bright);
  border-right: none;
  border-radius: 6px 0 0 6px;
  color: var(--accent);
  font-size: 10px;
  cursor: pointer;
  transition: var(--transition);
  padding: 0;
}
#btn-open-panel:hover { background: var(--accent); color: #fff; }

/* ── ZOOM CONTROLS — fixed floating widget ───────────── */
#zoom-controls {
  position: fixed;
  bottom: 50px;
  right: 308px;
  z-index: 150;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 6px 5px;
  background: var(--bg-panel);
  border: 1px solid var(--border-bright);
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.35);
}
.zoom-btn {
  width: 30px; height: 30px; background: var(--bg-panel);
  border: 1px solid var(--border-bright); color: var(--accent);
  font-family: var(--font-mono); font-size: 16px; font-weight: 700;
  border-radius: var(--radius); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition); box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.zoom-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.zoom-label { font-size: 9px !important; cursor: default !important; pointer-events: none; }

/* ── BRANCH LABEL MODAL ──────────────────────────────── */
#branch-label-overlay {
  position: fixed; inset: 0; z-index: 600;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.45); backdrop-filter: blur(3px);
}
#branch-label-modal {
  background: var(--bg-panel); border: 1px solid var(--border-bright);
  border-radius: 12px; padding: 20px 24px; min-width: 260px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
  display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.blm-title {
  font-size: 13px; font-weight: 700; color: var(--text-primary);
  letter-spacing: 0.3px;
}
.blm-sub {
  font-size: 11px; color: var(--text-muted); text-align: center;
}
.blm-buttons {
  display: flex; gap: 10px;
}
.blm-btn {
  padding: 7px 24px; border-radius: var(--radius); border: 1px solid var(--border-bright);
  font-family: var(--font-ui); font-size: 13px; font-weight: 700;
  cursor: pointer; transition: var(--transition);
  background: var(--bg-active); color: var(--text-primary);
}
.blm-btn.yes { color: var(--green); border-color: var(--green); }
.blm-btn.yes:hover { background: var(--green); color: #fff; }
.blm-btn.no  { color: var(--red);   border-color: var(--red);   }
.blm-btn.no:hover  { background: var(--red); color: #fff; }
.blm-cancel {
  font-size: 11px; color: var(--text-muted); background: transparent;
  border: none; cursor: pointer; padding: 2px 8px; border-radius: var(--radius);
  font-family: var(--font-ui); transition: var(--transition);
}
.blm-cancel:hover { color: var(--text-primary); background: var(--bg-hover); }

/* ── MODALS ──────────────────────────────────────────── */
#embedded-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 500; backdrop-filter: blur(4px);
}
#embedded-modal {
  background: var(--bg-panel); border: 1px solid var(--border-bright);
  border-radius: 10px; padding: 20px; width: 500px; max-width: 90vw;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.modal-title { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.modal-close {
  background: transparent; border: none; color: var(--text-muted);
  font-size: 15px; cursor: pointer; padding: 2px 6px; border-radius: var(--radius);
}
.modal-close:hover { color: var(--text-primary); background: var(--bg-hover); }
.modal-sub { font-size: 11px; color: var(--text-muted); margin-bottom: 10px; }
#embedded-editor {
  width: 100%; height: 220px; background: var(--bg-editor);
  border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text-primary); font-family: var(--font-mono);
  font-size: 12px; line-height: 1.7; padding: 10px; resize: vertical; outline: none;
}
#embedded-editor:focus { border-color: var(--border-bright); }
.modal-footer { display: flex; gap: 8px; justify-content: flex-end; margin-top: 12px; }
.modal-btn {
  background: transparent; border: 1px solid var(--border);
  color: var(--text-secondary); font-family: var(--font-ui);
  font-size: 12px; padding: 5px 16px; border-radius: var(--radius);
  cursor: pointer; transition: var(--transition);
}
.modal-btn:hover { background: var(--bg-hover); color: var(--text-primary); border-color: var(--border-bright); }
.modal-btn.accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.modal-btn.accent:hover { filter: brightness(1.1); }

/* ── INLINE EDITOR ───────────────────────────────────── */
#inline-edit { position: fixed; z-index: 300; }
#inline-input {
  background: var(--bg-active); border: 1.5px solid var(--accent);
  border-radius: 4px; color: var(--text-primary);
  font-family: var(--font-ui); font-size: 12px;
  padding: 3px 8px; outline: none; text-align: center;
  width: 100%; min-width: 80px; box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}

/* ── CONTEXT MENU ────────────────────────────────────── */
.ctx-menu {
  background: var(--bg-panel); border: 1px solid var(--border-bright);
  border-radius: var(--radius); padding: 4px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4); min-width: 150px;
  position: fixed; z-index: 9000;
}
.ctx-menu button {
  display: block; width: 100%; text-align: left;
  padding: 6px 10px; font: 12px var(--font-ui);
  color: var(--text-primary); background: none;
  border: none; cursor: pointer; border-radius: 4px;
}
.ctx-menu button:hover { background: var(--bg-hover); color: var(--accent); }

/* all this for a hyperlink btw */
.made-by-link {
  position: fixed;
  bottom: 12px;
  left: 12px;
  z-index: 1000; /* Ensures it stays above the canvas */
  color: var(--accent);
  font-size: 11px;
  font-family: var(--font-ui);
  text-decoration: none;
  opacity: 0.7;
  transition: var(--transition);
}

.made-by-link:hover {
  opacity: 1;
  text-decoration: underline;
}

/* ── LIGHT MODE ──────────────────────────────────────── */
body.light-mode .node-shape { fill: #fff; }
body.light-mode #pseudocode-out,
body.light-mode #console-out { background: #fff; }
/* ── COMMENT BOX ─────────────────────────────────────── */
.comment-shape {
  fill: var(--bg-panel);
  stroke: var(--text-muted);
  stroke-width: 1.5;
  stroke-dasharray: 8 4;
}
.comment-editable {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  outline: none;
  resize: none;
  width: 100%;
  height: 100%;
  cursor: text;
  line-height: 1.55;
  word-wrap: break-word;
  white-space: pre-wrap;
}

/* Comment resize handle */
.comment-resize {
  fill: var(--text-muted);
  opacity: 0.45;
  cursor: nwse-resize;
}
.comment-resize:hover { opacity: 1; fill: var(--accent); }

/* Comment selection highlight */
.node-group.selected .comment-shape {
  stroke: var(--accent);
  stroke-width: 2;
  stroke-dasharray: 8 4;
}